1. Center for Advanced Chemistry, Institute of Research and Development, Duy Tan University, Da Nang, Vietnam
2. Aromatic Plant Research Center, Lehi, UT, USA
3. Faculty of Agriculture, Forestry and Fishery, Nghe An Economics University, Vinh City, Vietnam
4. Department of Pharmacy, Duy Tan University, Da Nang, Vietnam
5. School of Natural Science Education, Vinh University, Vietnam
6. Parasitology and Entomology Unit, Department of Medicine, Duy Tan University, Da Nang, Vietnam
7. Pharmacy Department, The 17 Military Hospital, Da Nang, Vietnam
8. Department of Chemistry, University of Alabama in Huntsville, AL, USA